ARM: dts: imx6qdl: Fix "ERROR: code indent should use tabs where possible"

Fixed code indent tabs in respective imx6qdl dtsi files and
also add space on imx6qdl-icore-rqs.dtsi on usdhc bus-width nodes.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
4 files changed